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Finding the Fourth Proportional to 568,099.35, 784,261.17 and 353,308.62

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Solution

The fourth proportional to 568,099.35, 784,261.17 and 353,308.62 is: 487,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,099.35 : 784,261.17 = 353,308.62 : x
  2. Step 2: Convert to fraction form
    568,099.35/784,261.17 = 353,308.62/x
  3. Step 3: Cross multiply
    568,099.35x = 784,261.17 × 353,308.62
  4. Step 4: Simplify right side
    568,099.35x = 277,086,231,692.29
  5. Step 5: Solve for x
    x = 277,086,231,692.29/568,099.35
  6. Step 6: Final answer
    x = 487,742.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.